Lower Connecticut River Valley County ZIP Codes
Connecticut, United States · 25 codes
Lower Connecticut River Valley County in Connecticut has 25 ZIP codes, from 06371 to 06498, serving 25 places.
ZIP codes in Lower Connecticut River Valley
| ZIP Code | Places |
|---|---|
| 06371 | Old Lyme |
| 06376 | South Lyme |
| 06409 | Centerbrook |
| 06412 | Chester |
| 06413 | Clinton |
| 06414 | Cobalt |
| 06416 | Cromwell |
| 06417 | Deep River |
| 06419 | Killingworth |
| 06422 | Durham |
| 06423 | East Haddam |
| 06424 | East Hampton |
| 06426 | Essex |
| 06438 | Haddam |
| 06439 | Hadlyme |
| 06441 | Higganum |
| 06442 | Ivoryton |
| 06455 | Middlefield |
| 06456 | Middle Haddam |
| 06457 | Middletown |
| 06459 | Middletown |
| 06469 | Moodus |
| 06475 | Old Saybrook |
| 06480 | Portland |
| 06498 | Westbrook |
Frequently asked questions
What is the ZIP code of Lower Connecticut River Valley?
Lower Connecticut River Valley has 25 ZIP codes, from 06371 to 06498. The table lists the places each one serves.
How many places are listed in Lower Connecticut River Valley County?
25 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.